Why Choose Us
MWT was established in 2024 with the purpose of helping and guiding not only large and small workshops but also private individuals who are willing to learn about welding. Marco Sepulveda, the owner of MWT, has more than 15 years of experience in welding across different standards and countries. His knowledge is based on:
International Welding Specialist (IWS): Managing the welding area as a welding supervisor or coordinator, in order to increase quality and production with ISO 9001, ISO 3834-2, and 1090-2 (EU), as well as AWS standards, including knowledge of API 1104 and ASME IX.
Skilled in the creation of WPS and WPQR: For jobs that require documentation, including Welding plans.
High knowledge in the construction industry: Skilled in subcontracts management, power plants, geothermal plants, pipe and pipe welding. Strong operations professional, graduated from CETI, Centro Técnico Indura LTDA (Technician Center Indura).

Skilled welder in various techniques: Including TIG, MIG, flux, stick, and STT or RMD welding. Experience with various types of alloys such as steel, stainless steel, duplex and super duplex, aluminum, galvanized steel, and Inconel. Proficient metal fabricator: Experienced with gouging, oxyacetylene cutting, grinding, bending/shaping metal, and safely operating equipment. Capable of reading and interpreting blueprints, drawings, and diagrams. Highlights Supervision skills Communication in multiple languages (Spanish, English, Swedish) Combo welding Flat, horizontal, vertical, overhead welding Pipe/tube welding Large/small frame assembly Exceptional sheet metal work Good problem solver Attention to detail



